panic: kernel diagnostic assertion "pg->wire_count != 0" failed: file "/syzkaller/managers/main/kernel/sys/uvm/uvm_page.c", line 1207
Stopped at      db_enter+0x25:  addq    $0x8,%rsp
    TID    PID    UID     PRFLAGS     PFLAGS  CPU  COMMAND
db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438
panic(ffffffff834882cf) at panic+0x1cf sys/kern/subr_prf.c:198
__assert(ffffffff834c3db8,ffffffff834af01e,4b7,ffffffff8341d6eb) at __assert+0x29 sys/kern/subr_prf.c:-1
uvm_pageunwire(fffff280075b3b00) at uvm_pageunwire+0x17d sys/uvm/uvm_page.c:1206
uvm_fault_unwire_locked(fffff2807f236170,3c10c48f000,3c10c490000) at uvm_fault_unwire_locked+0x33a sys/uvm/uvm_fault.c:1790
uvm_unmap_kill_entry_withlock(fffff2807f236170,fffff2806857a040,0) at uvm_unmap_kill_entry_withlock+0x81 sys/uvm/uvm_map.c:1866
uvm_map_teardown(fffff2807f236170) at uvm_map_teardown+0x117 uvm_map_addr_RBT_LEFT sys/uvm/uvm_map.h:-1 [inline]
uvm_map_teardown(fffff2807f236170) at uvm_map_teardown+0x117 sys/uvm/uvm_map.c:2497
exit1(ffff80002d8b1a08,0,0,1) at exit1+0x705 sys/kern/kern_exit.c:259
sys_exit(ffff80002d8b1a08,ffff80003c959e30,ffff80003c959d80) at sys_exit+0x1a sys/kern/kern_exit.c:-1
syscall(ffff80003c959e30) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline]
syscall(ffff80003c959e30) at syscall+0x962 sys/arch/amd64/amd64/trap.c:783
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x71d93ad7a5d0, count: 4
https://www.openbsd.org/ddb.html describes the minimum info required in bug
reports.  Insufficient info makes it difficult to find and fix bugs.
ddb> 
ddb> set $lines = 0
ddb> set $maxwidth = 0
ddb> show panic
*cpu0: kernel diagnostic assertion "pg->wire_count != 0" failed: file "/syzkaller/managers/main/kernel/sys/uvm/uvm_page.c", line 1207
ddb> show kasan
No such command
ddb> trace
db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438
panic(ffffffff834882cf) at panic+0x1cf sys/kern/subr_prf.c:198
__assert(ffffffff834c3db8,ffffffff834af01e,4b7,ffffffff8341d6eb) at __assert+0x29 sys/kern/subr_prf.c:-1
uvm_pageunwire(fffff280075b3b00) at uvm_pageunwire+0x17d sys/uvm/uvm_page.c:1206
uvm_fault_unwire_locked(fffff2807f236170,3c10c48f000,3c10c490000) at uvm_fault_unwire_locked+0x33a sys/uvm/uvm_fault.c:1790
uvm_unmap_kill_entry_withlock(fffff2807f236170,fffff2806857a040,0) at uvm_unmap_kill_entry_withlock+0x81 sys/uvm/uvm_map.c:1866
uvm_map_teardown(fffff2807f236170) at uvm_map_teardown+0x117 uvm_map_addr_RBT_LEFT sys/uvm/uvm_map.h:-1 [inline]
uvm_map_teardown(fffff2807f236170) at uvm_map_teardown+0x117 sys/uvm/uvm_map.c:2497
exit1(ffff80002d8b1a08,0,0,1) at exit1+0x705 sys/kern/kern_exit.c:259
sys_exit(ffff80002d8b1a08,ffff80003c959e30,ffff80003c959d80) at sys_exit+0x1a sys/kern/kern_exit.c:-1
syscall(ffff80003c959e30) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline]
syscall(ffff80003c959e30) at syscall+0x962 sys/arch/amd64/amd64/trap.c:783
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x71d93ad7a5d0, count: -11
ddb>